Transaction not yet indexed

ar88hCS9nsPmApQLZiN9CdEjQqDj8NFt4EnKwmAzTq5ZL9omLbMS9AcRRVCMEn9hAAqvX6H6j8VFtZjUTffyxQt

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.